20854296

素因数分解:

$2^3\times 3^2\times {\mathrm{289643}}^1$

素因数の和:289655

約数の個数: 24

約数和(自身を含む): 56480580

約数和(自身を除く): 35626284

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289643, 579286, 868929, 1158572, 1737858, 2317144, 2606787, 3475716, 5213574, 6951432, 10427148, 20854296]

約数ペア:

[(1, 20854296), (2, 10427148), (3, 6951432), (4, 5213574), (6, 3475716), (8, 2606787), (9, 2317144), (12, 1737858), (18, 1158572), (24, 868929), (36, 579286), (72, 289643)]